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White Bear Photonics offers NIST traceable standards for reflection and transmission measurements.  Ultraviolet and visible spectrophotometers are fundamentally both accurate and precise but it is vital to check instrument performance on a regular basis to ensure that it is operating within satisfactory parameters. The reference materials provided are based on materials which have been used by national reference laboratories such as National Institute of Standards and Technology (NIST). When used in periodic testing of your instrument’s performance you build a quality control database of the operating characteristics of your specific instrument.

Certified Reference Materials

To make your verification task easier, we have assembled our reference materials into sets which allow you to meet specific verification requirements. In addition, you can save money by purchasing a group of references

in a set instead of purchasing several references individually. We have sets which will allow you to meet the qualifications of the European Pharmacopoeia, the United States Pharmacopoeia and one set that will satisfy the requirements of both the EP and USP.

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